00534nam a2200181Ia 450000500170000000800410001702000180005803500090007604100080008508200110009310000300010424500750013426000530020930000080026250000090027050500450027965000280032420260808125458.0260808s9999||||xx |||||||||||||| ||und||  a92-4-154280-2  a5880  aENG  a547.94  aWorld Health Organization 0aIPCS (Environmental health criteria no - 080)bpyrrolizidine alkaloids  aGenevabUNEP and World Health Organizationc1988  a345  aGift  aIPCS, chemical safety, organic chemicals  aIPCSbOrganic chemistry